﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using BLToolkit.Data;
using BLToolkit.DataAccess;
using BLToolkit.Mapping;
using Enities;

namespace BLL
{
    public interface ITraTaiLieu
    {

        TraTaiLieu SelectByKey(string MaDocGia);
        DataTable LayTatCa();
        void Them(TraTaiLieu tratl);
        void CapNhat(TraTaiLieu tratl);
    }
}
